Microsoft's Modern Keyboard hides a fingerprint sensor

This iPhone case lets you answer calls while it's closed

Both LG and Samsung have phone cases that let you take calls without exposing your screen to the elements, but what if you have an iPhone? As of today, you can check out Moshi's SenseCover. The iPhone 5 and 5s flip case includes both a preview window as well as a touch strip that lets you answer the phone or silence alarms while the device remains safe. It's not the cheapest design at $45, but it may be worthwhile if you'd rather not risk a shattered display just to start a conversation.